LG Mobile Secret Codes

LG all models test mode: Type 2945#*# on the main screen.
2945*#01*# Secret menu for LG

IMEI (ALL): *#06#
IMEI and SW (LG 510): *#07#
Software version (LG B1200): *8375#
Recount cheksum (LG B1200): *6861#
Factory test (B1200): #PWR 668
Simlock menu (LG B1200): 1945#*5101#
Simlock menu (LG 510W, 5200): 2945#*5101#
Simlock menu (LG 7020, 7010): 2945#*70001#
Simlock menu (LG 500, 600): 2947#*

LG-U81XX SPECIAL CODES
Code to read phone version:
Phone without SIM
Enter 277634#*# or 47328545454#
Select 'SW Ver.info'
Code to reset phone :
Phone without SIM
Enter 277634#*# or 47328545454#
Select 'Factory Reset'
Code to enter UNLOCK MENU :
Phone wit SIM inside
Enter 2945#*88110#
Test Menu 8330 : 637664#*#
Test Menu 8180 V10a: 49857465454#
Test Menu 8180 V11a: 492662464663#
Test Menu 8130-8138: 47328545454#
Test Menu 8110-8120: 277634#*#